Home / 12,194.20-18,276.72-5,613.76

Finding the Fourth Proportional to 12,194.20, 18,276.72 and 5,613.76

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Solution

The fourth proportional to 12,194.20, 18,276.72 and 5,613.76 is: 8,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.20 : 18,276.72 = 5,613.76 : x
  2. Step 2: Convert to fraction form
    12,194.20/18,276.72 = 5,613.76/x
  3. Step 3: Cross multiply
    12,194.20x = 18,276.72 × 5,613.76
  4. Step 4: Simplify right side
    12,194.20x = 102,601,119.67
  5. Step 5: Solve for x
    x = 102,601,119.67/12,194.20
  6. Step 6: Final answer
    x = 8,413.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.